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Assume X, Y, Z, W and P are matrices of order `2xxn, 3xxk, 2xxp, nxx3 and pxxk` respectively. The restriction on n, k and p so that PY + WY will be defined are:

A

`k=3,p=n`

B

k is arbitrary, `p=2`

C

p is arbitrary, `k=3`

D

`k=2,p=3`

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The correct Answer is:
A
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